GRE Logical Reading: ETS-GRE逻辑单题ETS - 9RH563476I3S15N5J$

Which of the following describes a significant flaw in the author's argument above? A. The author defends the conclusion by appealing to a person of authority. B. The author distorts an opposing view in trying to show its weaknesses. C. The author defends what the author perceives as a wrong action by pointing out another perceived wrong action. D. The author generalizes from a sample not representative enough to establish the conclusion. E. The author attributes two very different meanings to the same word.